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RESEARCH PAPERS

Dynamic Modulus of Poroelastic Materials

[+] Author and Article Information
A. Okuno

Mazda Motor Corporation, Yokohama, Japan

H. B. Kingsbury

Department of Mechanical Engineering, University of Delaware, Newark, DE 19716

J. Appl. Mech 56(3), 535-540 (Sep 01, 1989) (6 pages) doi:10.1115/1.3176123 History: Received October 30, 1987; Revised June 30, 1988; Online July 21, 2009

Abstract

A simple mathematical formula is proposed to predict the fluid damping effects in poroelastic materials. Biot’s poroelasticity equations are solved to obtain the response of poroelastic materials undergoing harmonic tension-compression and bending deformation. Complex moduli of poroelastic material are explored from the response functions on basis of mathematical models. It is shown that the effects of material parameters, geometrical parameters, and flow boundary conditions on the fluid damping are predicted by simple mathematical formulas. Numerical results are presented and compared with those of other researchers.

Copyright © 1989 by ASME
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